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Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers最新文献

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Prototype of Support System for News Summary Video Production 新闻摘要视频制作支持系统原型
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.262
T. Mochizuki, Yoshihiko Kawai, Naotsuna Fujimori, Momoko Maezawa, Rei Endo, Yuichiro Asami
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引用次数: 0
アバタの力強さによる自己認知変化が重さ知覚に与える影響 由化身的力量引起的自我认知变化对重量知觉的影响
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.394
Yuzuki Okubo, Joichiro Muraoka, Mie Sato, N. Hashimoto
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引用次数: 0
Development and Operation of AI Business Support System 人工智能业务支持系统的开发与运营
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.109
Takayuki Shinoda
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引用次数: 0
Analysis of Human-to-Human Dialogue While Watching TV for Social Robots' Utterance 社交机器人在看电视时的人机对话分析
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.149
Yuta Hoshi, Makoto Okuda, Yuta Hagio, Marina Kamimura, Yutaka Kaneko, Yusei Nishimoto
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引用次数: 0
ディスプレイ~IDW '22を中心に~ 以显示器~ IDW '22为中心~
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.780
隆宏 石鍋
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引用次数: 0
Development of "CLAPO", a File Upload Tool that Completes All Operations on a Web Browser “CLAPO”的开发,一个文件上传工具,完成所有的操作在Web浏览器上
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.100
Ataru Koike, Yoshinori Sugita, Takeshi Sakakibara
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引用次数: 0
Simultaneous Capturing Technique of Holograms for Videography with Incoherent Digital Holography 非相干数字全息摄影中全息图的同步捕捉技术
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.114
Teruyoshi Nobukawa, Yutaro Katano, K. Hagiwara, Tetsuhiko Muroi
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引用次数: 0
ホログラフィック光学素子と複数の小型プロジェクタを用いたAR-3Dディスプレイシステムの実装 使用全息光学元件和多个小型投影机实现AR-3D显示系统
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.546
Y. Ichihashi, K. Wakunami, S. Yoshida
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引用次数: 0
OtonoVR—Particular Spatial Focused 360-degree Video Player App: The Development and Practical Deployment otonovr专用空间聚焦360度视频播放器应用:开发与实际部署
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.388
T. Horiuchi, Shota Okubo, Tatsuya Kobayashi
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引用次数: 0
Development of Thin and High-brightness Phosphor Film for LCD Backlight using a Dichroic Filter 采用二向色滤光片的LCD背光用高亮度荧光粉薄膜的研制
Q4 Engineering Pub Date : 2023-01-01 DOI: 10.3169/itej.77.781
Takehiro Yamasuge, Tomomitsu Hori, Yasushi Ito
近年,市場で存在感を増すOLEDに対抗するため,LCDは直下型バックライトユニットにmini-LEDとLEDの部分駆動を適用することにより薄型化,高コントラスト化を実現している.本稿で紹介する蛍光体フィルムは,mini-LEDと部分駆動を適用したLCD用途に開発された.蛍光体として緑色発光蛍光体SrGa2S4:Eu・赤色発光蛍光体K2SiF6:Mnを採用し,そして青色を透過し緑・赤色を反射するダイクロイックフィルタを基材として採用した.蛍光体フィルムにダイクロイックフィルタを付与することにより,部分駆動時に発生するLED ON部とOFF部間の色度ムラを低減すると同時に,高輝度化を実現した.ディスプレイ発光面の色度の均質性向上のためにSrGa2S4:Euを小粒子化する必要があった.しかし,蛍光体粉砕時の表面損傷や比表面積の増加の観点から,小粒子化と長期信頼性はトレードオフの関係にあった.この課題に対し,蛍光体への表面皮膜と不活性雰囲気下のアニールにより,小粒子化と長期信頼性の両立に成功した.
为了对抗近年来在市场上存在感增加的OLED, LCD通过在直下型背照灯单元上应用mini-LED和LED的部分驱动,实现了超薄和高对比度。本文介绍的荧光薄膜是针对mini-LED和采用部分驱动的LCD用途而开发的。荧光体采用绿色发光荧光体SrGa2S4:Eu、红色发光荧光体K2SiF6:Mn,并采用穿透蓝色、反射绿色和红色的二色滤光片作为基材。通过在荧光粉胶片上添加二色滤光片,不仅减少了部分驱动时LED ON部和OFF部之间的色度不均匀,还实现了高亮度。为了提高显示器发光表面色度的均质性,需要对SrGa2S4:Eu进行小粒子化。但是,从粉碎荧光粉时的表面损伤和增加比表面积的角度考虑,小颗粒化和长期可靠性需要权衡。针对这一课题,利用对荧光体的表面皮膜和惰性气氛下的退火,成功实现了小粒子化和长期可靠性的兼顾。
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引用次数: 0
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Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers
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